36 lines
1.8 KiB
C
36 lines
1.8 KiB
C
/* Hardware related definitions for TTGO V2.1 Board
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/ ATTENTION: check your board version!
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/ Different versions are on the market which need different settings in this file:
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/ - without label -> "old"
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/ - labelled v1.5 on pcb -> "old"
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/ - labelled v1.6 on pcb -> "new"
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*/
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#define HAS_LORA 1 // comment out if device shall not send data via LoRa
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#define HAS_SPI 1 // comment out if device shall not send data via SPI
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#define CFG_sx1276_radio 1 // HPD13A LoRa SoC
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#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
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#define DISPLAY_FLIP 1 // rotated display
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#define HAS_LED GPIO_NUM_23 // green on board LED (new board ONLY)
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#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
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#define BATT_FACTOR 2 // voltage divider 100k/100k on board
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// re-define pin definitions of pins_arduino.h
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#define PIN_SPI_SS GPIO_NUM_18 // ESP32 GPIO18 (Pin18) -- HPD13A NSS/SEL (Pin4) SPI Chip Select Input
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#define PIN_SPI_MOSI GPIO_NUM_27 // ESP32 GPIO27 (Pin27) -- HPD13A MOSI/DSI (Pin6) SPI Data Input
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#define PIN_SPI_MISO GPIO_NUM_19 // ESP32 GPIO19 (Pin19) -- HPD13A MISO/DSO (Pin7) SPI Data Output
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#define PIN_SPI_SCK GPIO_NUM_5 // ESP32 GPIO5 (Pin5) -- HPD13A SCK (Pin5) SPI Clock Input
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// non arduino pin definitions
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#define RST LMIC_UNUSED_PIN // connected to ESP32 RST/EN (old board)
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//#define RST GPIO_NUM_12 // (old board v1.5)
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//#define RST GPIO_NUM_19 //(new board)
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#define DIO0 GPIO_NUM_26 // ESP32 GPIO26 <-> HPD13A IO0
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#define DIO1 GPIO_NUM_33 // ESP32 GPIO33 <-> HPDIO1 <-> HPD13A IO1
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#define DIO2 GPIO_NUM_32 // ESP32 GPIO32 <-> HPDIO2 <-> HPD13A IO2
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// Hardware pin definitions for TTGO V2 Board with OLED SSD1306 0,96" I2C Display
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#define OLED_RST U8X8_PIN_NONE // connected to CPU RST/EN
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#define OLED_SDA GPIO_NUM_21 // ESP32 GPIO21 -- SD1306 D1+D2
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#define OLED_SCL GPIO_NUM_22 // ESP32 GPIO22 -- SD1306 D0
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